Home / 7,119.12-10,671.25-2,437.75

Finding the Fourth Proportional to 7,119.12, 10,671.25 and 2,437.75

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Solution

The fourth proportional to 7,119.12, 10,671.25 and 2,437.75 is: 3,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.12 : 10,671.25 = 2,437.75 : x
  2. Step 2: Convert to fraction form
    7,119.12/10,671.25 = 2,437.75/x
  3. Step 3: Cross multiply
    7,119.12x = 10,671.25 × 2,437.75
  4. Step 4: Simplify right side
    7,119.12x = 26,013,839.69
  5. Step 5: Solve for x
    x = 26,013,839.69/7,119.12
  6. Step 6: Final answer
    x = 3,654.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.